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APPENDIX
Appendix C
SNMP Operation & Denition
Overview
The McRAID manager includes a rmware-embedded Simple Net-
work Management Protocol (SNMP) agent and SNMP Extension
Agent for the SATA RAID controller. An SNMP-based management
application (also known as an SNMP manager) can monitor the disk
array. An example of An SNMP management application is Hewlett-
Packard’s Open View. The SNMP Extension Agent can be used to
augment the SATA RAID controller if you are already running an
SNMP management application at your site.
SNMP Denition
SNMP, an IP-based protocol, has a set of commands for getting the
status of target devices. The SNMP management platform is called
the SNMP manager, and the managed devices have the SNMP
agent loaded. Management data is organized in a hierarchical data
structure called the management Information Base (MIB). These
MIBs are dened and sanctioned by various industry associa-
tions. The objective is for all vendors to create products in compli-
ance with these MIBs so that inter-vendor interoperability can be
achieved. If a vendor wishes to include additional device informa-
tion that is not specied in a standard MIB, then that is usually
done through MIB extensions.